550121200143 has 8 divisors (see below), whose sum is σ = 733547348400. Its totient is φ = 366721259328.

The previous prime is 550121200103. The next prime is 550121200199. The reversal of 550121200143 is 341002121055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550121200143 - 2¹⁰ = 550121199119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550121200103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502828 + ... + 6586881.

It is an arithmetic number, because the mean of its divisors is an integer number (91693418550).

Almost surely, 2^550121200143 is an apocalyptic number.

550121200143 is a deficient number, since it is larger than the sum of its proper divisors (183426148257).

550121200143 is a wasteful number, since it uses less digits than its factorization.

550121200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103721.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 550121200143 its reverse (341002121055), we get a palindrome (891123321198).

The spelling of 550121200143 in words is "five hundred fifty billion, one hundred twenty-one million, two hundred thousand, one hundred forty-three".